By maintaining clean filters, your spa will run at optimum performance. Pleatco uses the highest quality raw materials to produce the best filter cartridges. Quality matters, demand Pleatco. Diameter: 5" Length: 13 5/16".
Compatible with Hydropool models:
Serenity 4000
Serenity 5000
Serenity 5500
Serenity 6000
Serenity 7000
Serenity SE5
Serenity 5SE
Serenity SE4L
Serenity SE5L